Quarter US dollars 2004-12-31 83 2005-03-31 74 2005-06-30 68 2005-09-30 198 2005-12-31 263 2006-03-31 196 2006-06-30 196 2006-09-30 127 2006-12-31 205 2007-03-31 171 2007-06-30 156 2007-09-30 147 2007-12-31 187 2008-03-31 209 2008-06-30 283 2008-09-30 160 2008-12-31 155 2009-03-31 161 2009-06-30 173 2009-09-30 182 2009-12-31 139 2010-03-31 117 2010-06-30 114 2010-09-30 106 2010-12-31 103 2011-03-31 999 2011-06-30 1036 2011-09-30 4361 2011-12-31 4069 2012-03-31 3995 2012-06-30 3884 2012-09-30 3856 2012-12-31 3840 2013-03-31 3794 2013-06-30 3740 2013-09-30 3878 2013-12-31 3249 2014-03-31 3263 2014-06-30 3339 2014-09-30 3413 2014-12-31 3471 2015-03-31 3513 2015-06-30 3088 2015-09-30 3567 2015-12-31 3583 2016-03-31 3586 2016-06-30 3690 2016-09-30 3819 2016-12-31 3909 2017-03-31 4007 2017-06-30 4913 2017-09-30 5191 2017-12-31 5334 2018-03-31 5208 2018-06-30 5325 2018-09-30 5464 2018-12-31 5902 2019-03-31 5991 2019-06-30 6918 2019-09-30 7503 2019-12-31 7424 2020-03-31 7650 2020-06-30 8379 2020-09-30 8678 2020-12-31 9090 2021-03-31 9024 2021-06-30 9090 2021-09-30 9394 2021-12-31 9729 2022-03-31 10742 2022-06-30 10443 2022-09-30 9677 2022-12-31 10072 2023-03-31 10727 2023-06-30 11427 2023-09-30 11714